Property Tax in Teton County
via TaxByCounty
Teton's tax rate undercuts the nation
At 0.346%, Teton County's effective property tax rate sits well below the national median of 0.73%, placing it in the bottom 15% of U.S. counties by tax burden. Homeowners here pay a median of $2,065 annually, compared to the national median of $2,690—a difference of $625 per year despite Teton's median home value being more than double the national average.
Idaho's lowest-taxing county
Teton County ranks first in Idaho for the lowest effective tax rate at 0.346%, significantly undercutting the state average of 0.508%. This 0.162 percentage-point advantage means Teton homeowners benefit from one of the most tax-friendly assessments in the state.
A regional tax haven
Teton County's 0.346% rate dramatically outpaces neighboring Twin Falls County (0.667%), Valley County (0.297%), and Washington County (0.526%). Only Valley County approaches Teton's affordability, but Teton's median home values are $595,900 versus Valley's $599,500, meaning Teton residents pay nearly identical absolute dollars despite identical appreciation pressures.
What the average Teton home costs annually
A homeowner with a median-valued Teton property ($595,900) pays approximately $2,065 in annual property taxes. With a mortgage, that bill rises to $2,230; without one, it drops to $1,875.
Check your assessment for overvaluation
Many Idaho property owners are assessed above fair market value and can appeal for refunds. If you believe your Teton County assessment is inflated, an appeal to the county assessor's office costs nothing and could recover years of overpaid taxes.